Color doppler blood stream spectrum forms of malignant breast neoplasms show Phenotype hoisting steep. Relaxing period initiation wave Systole descent wave to expect to drop count in wave following. Resistance index and pulsation index increase .

• 乳腺恶性肿瘤彩色多普勒血流频谱形态常表现为升降波陡直,舒张期起始波在收缩期下降波中点以下,阻力指数及脉动指数增大;